diff --git a/.github/workflows/build2.yaml b/.github/workflows/build2.yaml
index 2dc5b1b..c9f1cf9 100644
--- a/.github/workflows/build2.yaml
+++ b/.github/workflows/build2.yaml
@@ -37,6 +37,10 @@ jobs:
           ls -la $GITHUB_WORKSPACE
           cat /tmp/entrypoint-env.txt || true
 
+      - name: Memory Test
+        run: |
+          $MEMORYTEST
+
       - name: Reuse Lint
         run: |
           nix run .#reuse-lint
diff --git a/build.zig b/build.zig
index 309fa87..ff91db4 100644
--- a/build.zig
+++ b/build.zig
@@ -91,85 +91,116 @@ pub fn build(b: *std.Build) !void {
     options.addOption([]const u8, "bash", bash);
     options.addOption([]const u8, "sh", sh);
 
-    const execas_exe = b.addExecutable(.{
-        .name = b.fmt("execas-{d}", .{uid}),
-        .root_module = b.createModule(.{
-            .root_source_file = b.path("src/execas.zig"),
-            .target = target,
-            .optimize = optimize,
-        }),
-        .use_llvm = false,
-        .use_lld = false,
-    });
-    execas_exe.root_module.addOptions("options", options);
-    b.installArtifact(execas_exe);
-
-    const execas_tests = b.addTest(.{
-        .root_module = execas_exe.root_module,
-    });
-    const run_execas_tests = b.addRunArtifact(execas_tests);
-    test_step.dependOn(&run_execas_tests.step);
-
-    const tail_exe = b.addExecutable(.{
-        .name = "tail",
-        .root_module = b.createModule(.{
-            .root_source_file = b.path("src/tail.zig"),
-            .target = target,
-            .optimize = optimize,
-        }),
-        .use_llvm = false,
-        .use_lld = false,
-    });
-    tail_exe.root_module.addOptions("options", options);
-
-    b.installArtifact(tail_exe);
-
-    const tail_tests = b.addTest(.{
-        .root_module = tail_exe.root_module,
-    });
-
-    const run_tail_tests = b.addRunArtifact(tail_tests);
-    test_step.dependOn(&run_tail_tests.step);
-
-    const bash_exe = b.addExecutable(.{
-        .name = "bash",
-        .root_module = b.createModule(.{
-            .root_source_file = b.path("src/bash.zig"),
-            .target = target,
-            .optimize = optimize,
-        }),
-        .use_llvm = false,
-        .use_lld = false,
-    });
-    bash_exe.root_module.addOptions("options", options);
-
-    b.installArtifact(bash_exe);
-
-    const bash_tests = b.addTest(.{
-        .root_module = bash_exe.root_module,
-    });
+    {
+        const execas_exe = b.addExecutable(.{
+            .name = b.fmt("execas-{d}", .{uid}),
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("src/execas.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+            .use_llvm = false,
+            .use_lld = false,
+        });
+        execas_exe.root_module.addOptions("options", options);
+        b.installArtifact(execas_exe);
+
+        const execas_tests = b.addTest(.{
+            .root_module = execas_exe.root_module,
+        });
+        const run_execas_tests = b.addRunArtifact(execas_tests);
+        test_step.dependOn(&run_execas_tests.step);
+    }
 
-    const run_bash_tests = b.addRunArtifact(bash_tests);
-    test_step.dependOn(&run_bash_tests.step);
-
-    const sh_exe = b.addExecutable(.{
-        .name = "sh",
-        .root_module = b.createModule(.{
-            .root_source_file = b.path("src/sh.zig"),
-            .target = target,
-            .optimize = optimize,
-        }),
-        .use_llvm = false,
-        .use_lld = false,
-    });
-    sh_exe.root_module.addOptions("options", options);
+    {
+        const tail_exe = b.addExecutable(.{
+            .name = "tail",
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("src/tail.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+            .use_llvm = false,
+            .use_lld = false,
+        });
+        tail_exe.root_module.addOptions("options", options);
+
+        b.installArtifact(tail_exe);
+
+        const tail_tests = b.addTest(.{
+            .root_module = tail_exe.root_module,
+        });
+
+        const run_tail_tests = b.addRunArtifact(tail_tests);
+        test_step.dependOn(&run_tail_tests.step);
+    }
 
-    b.installArtifact(sh_exe);
+    {
+        const bash_exe = b.addExecutable(.{
+            .name = "bash",
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("src/bash.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+            .use_llvm = false,
+            .use_lld = false,
+        });
+        bash_exe.root_module.addOptions("options", options);
+
+        b.installArtifact(bash_exe);
+
+        const bash_tests = b.addTest(.{
+            .root_module = bash_exe.root_module,
+        });
+
+        const run_bash_tests = b.addRunArtifact(bash_tests);
+        test_step.dependOn(&run_bash_tests.step);
+    }
 
-    const sh_tests = b.addTest(.{
-        .root_module = sh_exe.root_module,
-    });
+    {
+        const sh_exe = b.addExecutable(.{
+            .name = "sh",
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("src/sh.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+            .use_llvm = false,
+            .use_lld = false,
+        });
+        sh_exe.root_module.addOptions("options", options);
+
+        b.installArtifact(sh_exe);
+
+        const sh_tests = b.addTest(.{
+            .root_module = sh_exe.root_module,
+        });
+
+        const run_sh_tests = b.addRunArtifact(sh_tests);
+        test_step.dependOn(&run_sh_tests.step);
+    }
 
-    const run_sh_tests = b.addRunArtifact(sh_tests);
-    test_step.dependOn(&run_sh_tests.step);
+    {
+        const memorytest_exe = b.addExecutable(.{
+            .name = "memorytest",
+            .root_module = b.createModule(.{
+                .root_source_file = b.path("src/memorytest.zig"),
+                .target = target,
+                .optimize = optimize,
+            }),
+            .use_llvm = false,
+            .use_lld = false,
+        });
+        memorytest_exe.root_module.addOptions("options", options);
+
+        b.installArtifact(memorytest_exe);
+
+        const memorytest_tests = b.addTest(.{
+            .root_module = memorytest_exe.root_module,
+        });
+
+        const run_memorytest_tests = b.addRunArtifact(memorytest_tests);
+        test_step.dependOn(&run_memorytest_tests.step);
+    }
 }
diff --git a/flake.nix b/flake.nix
index 1076a41..04fe615 100644
--- a/flake.nix
+++ b/flake.nix
@@ -517,8 +517,6 @@
                 {
                   Cmd = [ "${lib.getExe' execas-github "bash"}" ];
                   User = "0:0";
-                  # WorkingDir = "/github/home";
-                  # Entrypoint = [ "${lib.getExe entrypoint}" ];
                   Env = [
                     "USER=root"
                     "PATH=${
@@ -545,6 +543,7 @@
                     "GIT_SSL_CAINFO=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
                     "NIX_SSL_CERT_FILE=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
                     "NIX_PATH=/nix/var/nix/profiles/per-user/root/channels:/root/home/.nix-defexpr/channels"
+                    "MEMORYTEST=${lib.getExe' execas-github "memorytest"}"
                   ];
                 };
             };
diff --git a/src/memorytest.zig b/src/memorytest.zig
new file mode 100644
index 0000000..6595135
--- /dev/null
+++ b/src/memorytest.zig
@@ -0,0 +1,12 @@
+// SPDX-FileCopyrightText: © 2023 Jeffrey C. Ollie
+// SPDX-License-Identifier: MIT
+
+const std = @import("std");
+
+pub fn main(init: std.process.Init) !void {
+    const alloc: std.mem.Allocator = init.arena.allocator();
+    while (true) {
+        _ = try alloc.alloc(u8, 1024 * 1024);
+        std.debug.print("Capacity: {Bi}\n", .{init.arena.queryCapacity()});
+    }
+}